August 04, 2017

AHDB Aphid News

The latest edition of AHDB News has been published. This summarises captures for the week ending 30th July.

  • Black bean aphids were caught in single figures at four sites this week in the ST as well as across Scotland and Northern England in YWT (yellow-water traps) this week, with the highest number caught in the ST at Newcastle (3).
  • Single peach–potato aphids (Myzus persicae) were caught at Gogarbank, Broom’s Barn and Hereford this week. Tests show that up to 43% of these migrants are carrying Turnip yellows virus. Peach–potato aphids were also found in the YWT across Scotland.
  • A single mealy cabbage aphid (Brevicoryne brassicae) was caught at Wye this week.
  • A single currant-lettuce aphid (Nasonovia ribisnigri) was caught in the ST at Starcross this week.
  • Two willow ̶ carrot aphids (Cavariella aegopodii) were caught at Preston this week.
  • The parsnip aphid (Cavariella pastinacae) was caught at Broom’s Barn (1), Newcastle (4), Preston (2), Rothamsted (4), Wellesbourne (8), Wye (2) and York (4) this week.
  • A single parsnip aphid (Cavariella theobaldi) was caught at Starcross this week.

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  • Update – Wellesbourne, 09–15/10/2017, Suction, 12 caught, 0% carrying TuYV Kirton, 09–15/10/2017, Su… by Angela Hambidge on this entry
  • Update Spalding 28/9 02/10/2017 YWT 12 caught, 25% carrying TuYV. by Angela Hambidge on this entry
  • Update – Wellesbourne 02 – 08/10/2017 Suction, 11 caught, 14% carrying TuYV 09 – 12/10/2017 YWT, 1 c… by Angela Hambidge on this entry
  • Update – Wellesbourne 11/9 – 17/9/2017 Suction trap 1 aphid 0% carrying TuYV Wellesbourne 21/9 – 25/… by Angela Hambidge on this entry
  • Update – Kirton, Lincolnshire 28/8–03/09/2017 Suction trap 4 aphids 33% carrying TuYV Spalding, Linc… by Angela Hambidge on this entry

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